KOSMOS Secret Writing Experiment Kit

Discover the exciting world of secret writing with this KOSMOS Secret Writing Experiment Kit. This kit includes everything you need to create your own invisible ink and learn seven thrilling techniques for sending secret messages. Create your own special secret ink, write invisible messages using secret pens and decipher codes. Perfect for kids who love science experiments and mystery. The kit allows kids to engage in engaging activities like creating an invisible ink, writing secret messages with special pens and decoding secret codes! This is a great STEM toy to spark your child's curiosity and introduce them to the exciting world of science